<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  
  <body>
    <%
		int a, b, c, sum=0;
		String f = "";
		String expression = "";
		Random r = new Random(); 

		for (int i=0; i<100; i++) {
			//a = (int)(Math.random()*10)+1;
			a = (int)(Math.random()*10)+1;
			
			b = (int)(Math.random()*10)+1;
			c = (int)(Math.random()*1)+1;

			switch(c) {
				case 0: 
					f = "+";
					sum = a + b;
					break;

				case 1:
					f = "-";
					sum = a - b;
					break; 
			}
			if((i+1)%6 == 0) {
				expression += a + f + b + "=" + sum + "<br/>";	
			} else {
				expression += a + f + b + "=" + sum + " ";
			}
		}
	%>

	<%=expression%>

  </body>
</html>
